Dr. Jastifer actively participates in research in collaboration with the Western Michigan University Homer Stryker M.D. School of Medicine as well as the Western Michigan University Department of Mechanical and Aerospace Engineering. Most of his research is related to orthopaedic biomechanics as well as foot and ankle surgery. Some of his recent academic publications include:
Peer Reviewed Publications:
Jastifer JR, Hoffman, MD The foot and ankle in ultramarathon runners: results of the Ultrarunner Longitudinal TRAcking Study (ULTRA Study). Foot Ankle Orthop Vol 8 (3). 2023. PMID: 10521274.
Borelli G, Albiero M, Jastifer JR. Anatomy of the Naviculocuneiform Joint Complex. Foot Ankle Orthop. 2024. PMID: 38601321.
Wilke, A.J., Martin, R., Bates,N., Jastifer JR., Martin, K., Technique Variation in the Surgical Treatment of Lateral Ankle Instability. Foot Ankle Spec, 2023: epub ahead of print.
Jastifer JR, Jastifer EJ, Hoffman, MD, COVID-19 in Ultramarathon runners: findings of the Ultrarunner Longitudinal TRAcking Study. Clinical Journal of Sports Medicine. 2024. Publish Ahead of Print , doi: 10.1097/JSM.0000000000001252.
Jastifer JR. Intrinsic muscles of the foot: anatomy, function, rehabilitation. Physical Therapy in Sport. Vol 61, 27-36. 2023.
Jastifer JR. Contemporary Review: The Foot and Ankle in Long-Distance Running. Foot & Ankle Orthopaedics. 2022;7(3). doi:1177/24730114221125455 Jastifer JR. Plantar plate repair for metatarsophalangeal joint instability of the lesser toes. Orthop Clin N Am. Jul;53(3):349-359. 2022. PMID 35725043.
Sweet M, Gilbertson J, Weistroffer J, Jastifer JR. Articular Cartilage of the Syndesmosis: Avoiding Iatrogenic Cartilage Injury During Syndesmotic Fixation. Accepted for publication: Foot and Ankle International. 2022.
Traynor C, Jastifer JR. First tarsometatarsal joint alignment after first metatarsophalangeal joint arthrodesis for hallux valgus. Accepted for publication: Foot and Ankle Orthopedics. 2022. PMID: 35097446.
Qatu M, Borrelli G, Traynor C, Weistroffer J, Jastifer JR Anatomy of the Intermetatarsal Facets of the Fourth and Fifth Metatarsals. Accepted for publication: Foot and Ankle Orthopedics. 2022. PMID: 35097421.
Jastifer JR, McNitt A, Mack CD, Kent RW, McCullough KA, Coughlin MJ, Anderson RB. The development of mandatory practices for the testing and maintenance of synthetic turf fields in the National Football League (NFL). Int Turfgrass Soc Res J. 2021; 1-12.
Mack C, Kent R, Wojtys E, Jastifer JR, Coughlin MJ, Anderson RB. Incidence of Lower Extremity Injury in the National Football League: 2015 to 2018 Am J Sports Med. 2020 Jul;48(9):2287-2294. PMID: 32485114.
Jastifer JR, Gustafson PA, Fernando Silva-Velasco L, Noffsinger S, Coughlin, MJ. Nitinol, stainless steel, and titanium Kirchner wire durability. Foot & Ankle Spec. (2020). PMID: 32336159.
Jastifer JR, Christianson E, VanZweden D, Gustafson PA. Feasibility of transosseous nonarticular fixation of Lisfranc Injuries. Foot Ankle Int. 2019. Jun;40(6):672-678. PMID: 30803261
Gustafson PA, Veenstra J, Beardon C, Jastifer JR. The effect of pitch variation and diameter variation on screw pullout. Foot & Ankle Spec. Jun;12(3):258-263. 2019. PMID: 30073846
Jastifer JR, McNitt A, Kent R, McCullough KA, Coughlin MJ, Anderson RB. Synthetic turf: history, design, maintenance and athlete safety. Sports Health. Jan/Feb;11(1):84-90. 2019. PMID: 30096021.
Jastifer JR, McCullough KA. Fatigue bending strength of Jones fracture specific screw fixation. Foot Ankle Int. Apr; 39(4): 493-499. 2017. PMID: 29254446.
Jastifer JR, Green A. Gastrocnemius contracture in patients with rheumatoid arthritis. Foot Ankle Int. 38(12): 1362-1366. 2017. PMID: 28891302.
Jastifer JR, Claassen L. Current concepts in the treatment of metatarsophalangeal joint instability of the lesser toes: review, surgical technique, and early outcomes. Fuß & Sprunggelenk. 15(4): 225-236. 2017.
Jastifer JR, Kent R, Crandall J, Sherwood C, Lessley D, McCullough KA, Coughlin MJ, Anderson RB. The athletic shoe in football: apparel or protective equipment? Sports Health. 2017; Mar/Apr; 9(2): 126-131. 2017. PMID: 28151702.
Flint WW, Macias DM, Jastifer JR, Doty JF, Hirose CB, Coughlin MJ. Plantar plate repair for lesser metatarsophalangeal joint instability. Foot Ankle Int. 2017 Mar; 38(3): 234-242. PMID: 27852647.
Jastifer JR, Gustafson PG. Three-dimensional printing and surgical simulation for preoperative planning of deformity correction in foot and ankle surgery. J Foot Ankle Surg. 56(1):191-195. 2017. PMID: 26961413
Jastifer JR, Marston J. Gastrocnemius contracture in patients with and without foot pathology. Foot Ankle Int. 2016 Nov;37(11):1165-1170. PMID: 27450448
Jasitfer JR, Snoap T, Gustafson PA, LaBomascus A. The ankle and subtalar joint functional unit, rationale for the development of a ball and socket ankle joint; a computational study. Accepted for publication: J Foot Ankle Surgery. 2016.
Jastifer JR, Jaykel M. Results of the gravity stress examination in the normal patient population. Foot Ankle Spec. 2016; Epub ahead of print. PMID 27872381.
Gustafson PA, Geeslin AG, Jastifer JR. An open source reverse engineering workflow: geometry to optimization. Proceedings of the AIAA/ASME/ASCE/AHS/ASC SciTech Conference. 2016.
Waizy H, Jastifer JR, Stukenborg-Colsman C, Claassen L. The reverse Ludloff osteotomy for bunionette deformity. Foot Ankle Spec. 2016 Aug;9(4):324-9. PMID: 27030363
Jastifer JR, Alrafeek S, Howard P, Gustafson PA, Coughlin MJ. Biomechanical evaluation of strength and stiffness of subtalar arthrodesis screw construct. Foot Ankle Int. 37(4):419-26. 2016. PMID: 26635413.
Tensmeyer DF, Gustafson PA, Jastifer JR, Patel B, Chess JL. The effect of load obliquity on the strength of locking and nonlocking constructs in synthetic osteoportotic bone. Med Eng Phys. 37(11): 1047-1052. 2015. PMID: 26391067.
Macias DM, Coughlin MJ, Zang K, Stevens FR, Jastifer JR, Doty JF. Low-level laser therapy at 635 nm for the treatment of chronic plantar fasciitis: a placebo-controlled, randomized study. J Foot Ankle Surg. 2015 Sep-Oct;54(5):768-72. PMID: 25769363
Doty, J; Coughlin, MJ; Jastifer, JR; et al. Evaluation and treatment of lesser metatarsophalangeal joint instability: the repair of plantar plate insufficiency through a dorsal approach. Operative Techniques in Sports Medicine. 22(4): 339-347. 2014.
Jastifer JR, Coughlin MJ. Exposure via sequential release of the metatarsophalangeal joint for plantar plate repair through a dorsal approach without an intraarticular osteotomy. Foot Ankle Int. 36(3):335-338. 2015. PMID: 25288329.
Jastifer JR, Coughlin MJ. Hindfoot deformity and calcaneal tuberosity osteotomies. Foot & Ankle Specialist. 8(1): 50-58. 2015. PMID: 25380836
Jastifer JR, Coughlin MJ, Hirose, CB. Performance of total ankle arthroplasty and ankle arthrodesis on uneven surfaces, stairs, and inclines: a prospective study. Foot Ankle Int. 36(1) 11-14. 2015. PMID: 25201334.
Jastifer JR, Coughlin MJ. Long-term follow-up of mobile bearing total ankle arthroplasty in the United States. Foot Ankle Int. 36(2): 143-150. 2015. PMID: 25201330.
Jastifer JR, Gustafson PG. The subtalar joint: biomechanics and functional representations in the literature. Foot (Edinb). 2014 Dec;24(4):203-9. PMID: 25175840.
Jastifer JR, Coughlin MJ, Doty J, Stevens FR, Kemp TJ, Hirose CB. Sensory nerve dysfunction after hallux valgus correction. Foot Ankle Int. 35(8):757-763. 2014. PMID: 24807984.
Jastifer JR, Coughlin MJ, Doty J, Stevens FR, Kemp TJ, Hirose CB. Osteochondral lesions in surgically treated hallux valgus. Foot Ankle Int. 35(7):650-656. 2014. PMID: 24709744.
Jastifer JR, Coughlin MJ. Fibrous tendon hypertrophy following gastrocnemius recession: a case report. J Foot Ankle Surg. 2016 Mar-Apr;55(2):252-4. PMID: 25116231
Jastifer, JR. Topical review: locking plate technology in foot and ankle surgery. Foot Ankle Int. 35:512-518. 2014. PMID: 24492280.
Jastifer, JR; Catena, F; Doty, J; Stevens, FR; Coughlin, MJ. Low-level laser therapy for the treatment of chronic plantar fasciitis: a prospective study. Foot Ankle Int. 35(6):566-571. 2014. PMID: 24510123.
Jastifer JR, Coughlin MJ. Hallux Varus: review and surgical treatment. Méd. Chir. Pied. 30: 41-48. 2014.
Gustafson, PA; Jastifer, JR; Kapenga, J; McKean, JW. Lack of statistical rigor in composite materials experimentation and lessons learned from the science of medicine. Proceedings of the AIAA/ASME/ASCE/AHS/ASC 55th Structures, Structural Dynamics, and Materials Conference. 2014.
Jastifer, JR; Coughlin, MJ. Metatarsophalangeal joint instability of the lesser toes: review and surgical technique. South African Orthopaedic Journal. 13(2): 35-41. 2014.
Jastifer, JR; Coughlin, MJ; Schutt, S; et al. Comparison of radiographic and anatomic distal metatarsal articular angle in cadaver feet. Foot Ankle Int. 35(4):389-393. 2014. PMID: 24521690.
Catena, F; Doty, JF; Coughlin, MJ; Stevens, FR; Jastifer, JR. Prospective study of hammertoe corrections with an intramedullary implant. Foot Ankle Int. 35:319-325. 2014. PMID: 24443491.
Jastifer, JR; Gustafson, PA; Gorman, RR. Subtalar arthrodesis alignment: the effect on ankle biomechanics. Foot Ankle Int. 34(2):244-50. 2013. PMID: 234130065.
Stoesz, M; Patel, B; Gustafson, PA; Jastifer, JR; Chess, J. Surgeon perception of cancellous screw fixation. J Orthop Trauma. Jan;28(1):e1-7. 2014. PMID: 23782959.
Jastifer, JR; Toledo-Pereyra, LH. Leonardo da Vinci’s foot: historical evidence of concept.
J Invest Surg. 25(5):281-5. 2012. PMID: 23020268.
Jastifer, JR; Gustafson, PA; Gorman, RR. The effect of subtalar arthrodesis alignment on ankle biomechanics. 2012 Proceedings of the ASME International Mechanical Engineering Congress & Exposition. 2012.
Patel, B; Jastifer, JR; Gustafson, PA. The effect of clavicle malunion on shoulder biomechanics.;: a computational study. Clin Biomech. 27(5):436-42. 2012. PMID: 22226074
Coughlin, MJ; Nery, C; Baumfeld, D; Jastifer, JR. Tibiotarsal compression arthrodesis using a lateral locking plate. Rev Bras Orthop. 47(5):611-5. 2012. PMID: 4799433
Coughlin, MJ; Nery, C; Baumfeld, D; Jastifer, JR. Tibiotalocalcaneal arthrodesis with a lateral compression plate. Rev Bras Ortop. 47(4):447-53. 2012. PMID: 4799458
Jastifer, JR; Patel, B; Gustafson, PA. Strength of locking plate constructs versus conventional plate constructs in osteoporotic bone surrogate: an experimental study. Proceedings of the American Society of Mechanical Engineers Applied Mechanics and Materials Conference. 2011.
Jastifer, JR; Gustafson, PA; Patel, B; Uggen, C. Pectoralis major transfer for subscapularis deficiency: a computational study. Shoulder & Elbow. 4:25-29. 2012.
Jastifer, JR; Toledo-Pereyra, LH; Gustafson, PA. Galileo’s contribution to modern orthopaedics. J Invest Surg. 24:141-144. 2011. PMID: 21675848.
Patel, B; Gustafson, PA; Jastifer, JR. Stiffness of locking and conventional plates in fixation of distal fibula fractures; a finite element study. 2010 Proceedings of the ASME International Mechanical Engineering Congress & Exposition. 2010.
Jastifer, J; Roberts, S: Patients’ Awareness and attitudes toward gifts from pharmaceutical companies to physicians. Int J Health Serv. 39(2):405–414. 2009. PMID: 19492632.